| （単位：百万円） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,060 | +3.7% |
| 3Q25 | 1,059 | +2.4% |
| 2Q25 | 1,045 | +0.8% |
| 1Q25 | 1,040 | -1.2% |
| 4Q24 | 1,022 | -5.4% |
| 3Q24 | 1,034 | -4.3% |
| 2Q24 | 1,036 | -3.4% |
| 1Q24 | 1,052 | -2.7% |
| 4Q23 | 1,081 | -3.2% |
| 3Q23 | 1,081 | -5.3% |
| 2Q23 | 1,073 | -6.7% |
| 1Q23 | 1,081 | -2.7% |
| 4Q22 | 1,117 | -1.6% |
| 3Q22 | 1,141 | -2.2% |
| 2Q22 | 1,149 | -2.1% |
| 1Q22 | 1,111 | -3.8% |
| 4Q21 | 1,135 | -11.3% |
| 3Q21 | 1,166 | -8.2% |
| 2Q21 | 1,174 | -10.3% |
| 1Q21 | 1,155 | -17.9% |
| 4Q20 | 1,280 | -15.6% |
| 3Q20 | 1,271 | -23.0% |
| 2Q20 | 1,309 | -21.0% |
| 1Q20 | 1,407 | -17.8% |
| 4Q19 | 1,517 | -13.5% |
| 3Q19 | 1,651 | -6.7% |
| 2Q19 | 1,658 | -10.3% |
| 1Q19 | 1,710 | -9.3% |
| 4Q18 | 1,755 | -9.4% |
| 3Q18 | 1,770 | -8.0% |
| 2Q18 | 1,849 | -3.7% |
| 1Q18 | 1,885 | -2.4% |
| 4Q17 | 1,937 | -3.5% |
| 3Q17 | 1,925 | -8.5% |
| 2Q17 | 1,919 | -8.7% |
| 1Q17 | 1,932 | -8.3% |
| 4Q16 | 2,006 | - |
| 3Q16 | 2,103 | - |
| 2Q16 | 2,102 | - |
| 1Q16 | 2,106 | - |